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Nina [5.8K]
3 years ago
9

Development of Male Gametophyte.

Biology
1 answer:
Paul [167]3 years ago
8 0
Game to fight lol....
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What is DNA vs. RNA? ​
swat32
The two main types of nucleic acids are DNA and RNA. ... DNA provides the code for the cell's activities, while RNA converts that code into proteins to carry out cellular functions. The sequence of nitrogen bases (A, T, C, G) in DNA is what forms an organism's traits.
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PLEASE HELP, WILL MARK BRAINLEST TO WHO EVER ANSWERS FIRST
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Original Horizontality Principle is the Relative Chronology Principle which states that sediments are always deposited in horizontal layers. Any geological phenomenon that changes the horizontality is always after sedimentation.

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3 years ago
your lab group is studying the lac operon. you perform a mutagenesis and plate out the resulting bacterial colonies on medium co
Contact [7]

It is likely that the light blue colonies have a mutation in GENE I (lacI gene). LacI (lactose inhibitor) is a DNA-binding factor that represses transcription of the lac operon.

The lacI gene (regulatory gene for lac operon) is a gene located upstream of the three genes of the lac operon (i.e., lacZ, lacY, and lacA), which are transcribed as a unit.

The inducer of the lac operon is allolactose. When lactose is present, a small amount of this molecule is converted to allolactose.

The lac repressor, which is encoded by the lacI gene, binds to the operator upstream of the lac operon, thereby preventing its transcription unless the inducer is present.

Finally, the lacZ gene produces an enzyme called β-galactosidase, while X-gal is a blue-colored product precipitated when a bacterial colony expresses a functional β-galactosidase.

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brainly.com/question/9739412

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3 years ago
Why don't elephants get cancer?
FinnZ [79.3K]

Answer:

D

Explanation:

Because don't have any p53 genes

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3 years ago
Write a brief report on bacteria and fermented milk products.​
Ratling [72]

Answer:

Fermented milk products or fermented dairy products, also known as cultured dairy foods, cultured dairy products, or cultured milk products, are dairy foods that have been fermented with lactic acid bacteria such as Lactobacillus, Lactococcus, and Leuconostoc. The fermentation process increases the shelf life of the product while enhancing its taste and improving the digestibility of its milk. There is evidence that fermented milk products have been produced since around 10,000 BC.

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